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M451
May. 4, 2018
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Rev.2.08
M4
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[9]
RmtEn
Remote Enable Bit
0 = At the reception of a Remote Frame, TxRqst (CAN_IFn_MCON[8]) is left unchanged.
1 = At the reception of a Remote Frame, TxRqst is set.
[8]
TxRqst
Transmit Request
0 = This Message Object is not waiting for transmission.
1 = The transmission of this Message Object is requested and is not yet done.
[7]
EoB
End of Buffer
0 = Message Object belongs to a FIFO Buffer and is not the last Message Object of that FIFO
Buffer.
1 = Single Message Object or last Message Object of a FIFO Buffer.
Note:
This bit is used to concatenate two or more Message Objects (up to 32) to build a FIFO
Buffer. For single Message Objects (not belonging to a FIFO Buffer), this bit must always be set
to one.
[6:4]
Reserved
Reserved.
[3:0]
DLC
Data Length Code
0-8: Data Frame has 0-8 data bytes.
9-15: Data Frame has 8 data bytes
Note:
The Data Length Code of a Message Object must be defined the same as in all the
corresponding objects with the same identifier at other nodes. When the Message Handler
stores a data frame, it will write the DLC to the value given by the received message.
Data(0): 1st data byte of a CAN Data Frame
Data(1): 2nd data byte of a CAN Data Frame
Data(2): 3rd data byte of a CAN Data Frame
Data(3): 4th data byte of a CAN Data Frame
Data(4): 5th data byte of a CAN Data Frame
Data(5): 6th data byte of a CAN Data Frame
Data(6): 7th data byte of a CAN Data Frame
Data(7): 8th data byte of a CAN Data Frame
Note:
The Data(0) byte is the first data byte shifted into the shift register of the CAN Core during
a reception while the Data(7) byte is the last. When the Message Handler stores a Data Frame,
it will write all the eight data bytes into a Message Object. If the Data Length Code is less than 8,
the remaining bytes of the Message Object will be overwritten by unspecified values.
Содержание ARM Cortex NuMicro M451 Series
Страница 301: ...M451 May 4 2018 Page 301 of 1006 Rev 2 08 M451 SERIES TECHNICAL REFERENCE MANUAL...
Страница 324: ...M451 May 4 2018 Page 324 of 1006 Rev 2 08 M451 SERIES TECHNICAL REFERENCE MANUAL Figure 6 4 18 Checksum Calculation Flow...
Страница 355: ...M451 May 4 2018 Page 355 of 1006 Rev 2 08 M451 SERIES TECHNICAL REFERENCE MANUAL 2 0 Reserved Reserved...
Страница 625: ...M451 May 4 2018 Page 625 of 1006 Rev 2 08 M451 SERIES TECHNICAL REFERENCE MANUAL 00 5 bits 01 6 bits 10 7 bits 11 8 bits...
Страница 721: ...M451 May 4 2018 Page 721 of 1006 Rev 2 08 M451 SERIES TECHNICAL REFERENCE MANUAL the SCL line 1 0 Reserved Reserved...
Страница 1001: ...M451 May 4 2018 Page 1001 of 1006 Rev 2 08 M451 SERIES TECHNICAL REFERENCE MANUAL LQFP 64L 10x10x1 4 mm footprint 2 0 mm 9 2...
Страница 1002: ...M451 May 4 2018 Page 1002 of 1006 Rev 2 08 M451 SERIES TECHNICAL REFERENCE MANUAL LQFP 64L 7x7x1 4 mm footprint 2 0 mm 9 3...
Страница 1003: ...M451 May 4 2018 Page 1003 of 1006 Rev 2 08 M451 SERIES TECHNICAL REFERENCE MANUAL LQFP 48L 7x7x1 4mm footprint 2 0mm 9 4...